[PATCH v0 26/42] alpha: Check notifier registration return value

[Borislav Petkov]

From: Borislav Petkov <bp@xxxxxxx>

Avoid homegrown notifier registration checks.

No functional changes.

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: linux-alpha@xxxxxxxxxxxxxxx
---
 arch/alpha/kernel/setup.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index b4fbbba30aa2..520c08031137 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -465,8 +465,9 @@ setup_arch(char **cmdline_p)
 	}
 
 	/* Register a call for panic conditions. */
-	atomic_notifier_chain_register(&panic_notifier_list,
-			&alpha_panic_block);
+	if (atomic_notifier_chain_register(&panic_notifier_list,
+					   &alpha_panic_block))
+		pr_warn("Panic notifier already registered\n");
 
 #ifndef alpha_using_srm
 	/* Assume that we've booted from SRM if we haven't booted from MILO.
-- 
2.29.2